happen on the heap. var out [p224ElementLen]byte return e.bytes(&out) } func (e *P224Element) bytes(out *[p224ElementLen]byte) []byte { var tmp p224NonMontgomeryDom p224FromMontgomery(&tmp, &e.x) p224ToBytes(out, (*p224UntypedFieldElem)(&tmp)) p224InvertEndianness(out[:]) return out[:] } // SetBytes sets e = v, where v is a big-endian 28-byte encoding, and returns e. // If v is not 28 bytes or it encodes a value higher than 2^224 - 2^96 + 1, // SetBytes returns nil and an error, and e is unchanged. func...